They wouldn't even have been able to get started without earth science understanding—knowledge about wind, storms, meteorology.

如果没有对地球科学的了解——关于风、风暴、气象学的知识，他们甚至不可能起步。

youdao

Earth is our mother. Without earth, without life.

地球是我们的母亲，没有她就没有生命。

youdao

It cannot be seen from Earth without the aid of binoculars or a telescope.

VOA: special.2011.07.27

Without the earth's 23.5-degree tilt to the sun there would be no seasons, no variation in daylight and darkness, said Fothergill.

CNN: 'Earth' takes viewers on 'breathtaking' global journey

From the beginning, Ronald says, they shared this goal: figuring out how to grow crops in a way that could feed the Earth without destroying the environment.

FORBES: Green Genes

And the earth was without form and void, and darkness was upon the face of the deep.

NPR: Affinity Fraud Preys On Group's Trust